Table 3.

Energy expenditure measured using a GENEActiv Actigraph GT3X+ accelerometer at baseline, after 4 months and 12 months of intervention in the total study population and by gender (mean ± SD)

		Baseline (B)	4 months (4 m)	12 months (12 m)	p (B vs 4 m)	p (B vs 12 m)
Sedentarism (min/d)	All	397.0 ± 77.0	365.2 ± 73.6	255.5 ± 85.2	< 0.0001	< 0.0001
	Boys	397.0 ± 68.3	354.2 ± 60.4	243.0 ± 78.4	< 0.0001	< 0.001
	Girls	397.1 ± 85.6	375.7 ± 86.8	268.9 ± 92.1	< 0.0001	< 0.001
Physical activity
Light (min/d)	All	667.4 ± 72.3	670.2 ± 87.3	789.2 ± 92.0	< 0.0001	< 0.0001
	Boys	663.6 ± 63.2	675.6 ± 93.0	797.5 ± 91.9	< 0.0001	< 0.001
	Girls	671.4 ± 80.9	665.2 ± 82.1	780.4 ± 92.1	< 0.0001	< 0.001
Moderate (min/d)	All	15.3 ± 15.5	35.5 ± 14.8	28.0 ± 17.4	< 0.0001	< 0.0001
	Boys	18.9 ± 18.0	40.5 ± 16.5	31.7 ± 19.9	< 0.0001	0.01
	Girls	11.6 ± 11.5	30.7 ± 11.2	24.0 ± 13.4	< 0.0001	< 0.001
Vigorous (min/d)	All	1.2 ± 3.1	9.1 ± 6.3	7.3 ± 6.4	< 0.0001	< 0.0001
	Boys	1.5 ± 3.9	9.7 ± 7.3	7.8 ± 6.9	< 0.0001	< 0.001
	Girls	1.0 ± 1.8	8.4 ± 5.2	6.7 ± 5.8	< 0.0001	< 0.001

All, n = 131 participants (n = 70 boys and n = 61 girls; p = 0.65)